Only one of these four, methionine, is an amino acid
At maintenance dosing, you reconstitute a fresh vial roughly every 4 weeks and use nearly all of it before the next reconstitution is needed
BENEFITS: Improved metabolism/ weight loss efforts: B12 helps in metabolizing fats and protein which in turn helps boost your metabolism and increases weight loss
(PubMed) Hammoud AO, Bujold E, Sorokin Y, Schild C, Krapp M, Baumann P
Under constant exposure, receptors are pulled off the cell surface and become less responsive over time (receptor desensitization). Higher doses maintain more signal against that fade
If you find yourself experiencing these symptoms often you may need to talk to your healthcare provider about the potential of having a vitamin B12 deficiency